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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        //js是弱数据类型语言
        let num = 'pink'
        console.log(num)
        console.log(1+1)
        console.log(8/3)
        console.log(4%3)
    </script>
</body>
</html>